PRODUCTION OF POLYCARBONATE

PROBLEM TO BE SOLVED: To obtain a polycarbonate improved in hue and heat stability by adding an aqueous solution of an acidic compound to a molten polycarbonate resin obtained by a transesterification process to neutralize the basics catalyst and kneading the mixture. SOLUTION: In continuously degas...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKANO JUNSHI, KAWAKAMI TSUTOMU, HAYASHI KATSUSHIGE, KAWAI MICHIO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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